A quick look at wheelchair racing
Wheelchair racing is not simply running on wheels. Runners get slower as distances increase; elite wheelchair athletes take longer to get up to speed, but then they can hold a fast pace. As in running, most wheelchair competitors specialize in short or long races, but Paralympic superstar Tatyana McFadden excels at both. How running and wheelchair world records compare, in miles per hour:
SOURCE: Adam Bleakney, wheelchair track coach at the University of Illinois; Barry Ewing of Eagle Sportschairs; Tatyana, Hannah and Deborah McFadden; Paralympic.org; Boston Athletic Association; Invacare Top End; U.S. Olympic Committee; IAAF; Internation.